Not A Rock (Animated Character)

Carnelian

Carnelian (Cryptocrystalline variety of Quartz, SiO2)

Banded Gneiss

Gneiss

Green Fluorite

Calcium Fluoride (CaF2)

Basalt Column Section

Columnar Basalt (Mafic Extrusive Igneous Rock)

Clear Quartz (Rock Crystal)

Quartz (Silicon Dioxide - SiO2)

Amethyst

Amethyst (Silicon Dioxide, SiO2 with Iron impurities)

Milky Quartz

Crystalline Silicon Dioxide (SiO2)

Bloodstone

Heliotrope (Cryptocrystalline Quartz, SiO2)

Rainbow Moonstone with Black Tourmaline

White Labradorite with Schorl (Na,Ca)(Al,Si)4O8

Amazonite

Potassium Aluminum Silicate (KAlSi3O8)

Amazonite

Amazonite (KAlSi3O8, a variety of Microcline)

Moss Agate

Silicon Dioxide (SiO2) with inclusions of manganese or iron oxides

Banded Agate

Silicon dioxide (SiO2) - variety of Chalcedony

Carnelian (Carnelian Agate)

Cryptocrystalline Quartz (SiO2 with Hematite impurities)

Bauxite

Bauxite (mixture of Gibbiste Al(OH)3, Boehmite ̳-AlO(OH), and Diaspore ́-AlO(OH))

Chalcedony (Yellow Agate)

Cryptocrystalline Quartz (SiO2)

Green Quartz (Prasiolite)

Crystalline Silicon Dioxide (SiO2) with iron impurities

Red Hematite

Iron(III) Oxide (Fe2O3)

Lapis Lazuli

Lapis lazuli (complex rock composed of Lazurite, Calcite, and Pyrite)

Turquoise in Matrix

Hydrated phosphate of copper and aluminium: CuAl6(PO4)4(OH)8·4H2O

Banded Agate

Agate (Silicon Dioxide, SiO2)

Indian Agate

Cryptocrystalline Quartz (SiO2)

Banded Agate

Cryptocrystalline Quartz (SiO2)

Serpentinite

Serpentinite (containing Antigorite, Lizardite, and/or Chrysotile)

Green Quartz (Prasiolite or Aventurine)

Silicon Dioxide (SiO2)

Smoky Quartz

Silicon Dioxide (SiO2)

Schist/Phyllite

Metamorphic Schist (Chlorite Schist variety)

Banded Agate (Tumbled)

Silicon Dioxide (SiO2) - variety of Chalcedony

Gray Quartzite River Rock

Meta-quartzite (SiO2)

Amethyst (Tumbled)

Silicon Dioxide (SiO2) with iron impurities

Mica (Biotite or Phlogopite variety)

Phyllosilicate (complex mineral formula involving K, Mg, Fe, Al, Si, and O)

Quartz with Mica

Silicon Dioxide (SiO2) with Phyllosilicates (Mica)

Limestone

Calcium Carbonate (CaCO3)

Basalt

Extrusive mafic igneous rock

Quartzite

Quartzite (SiO2-dominant rock)

Serpentinite

Serpentinite (composed primarily of serpentine minerals like antigorite, chrysotile, and lizardite)

Amethyst

Silicon Dioxide (SiO2) with iron impurities

Amethyst

Quartz (Silicon Dioxide with iron impurities), SiO2

Amethyst

Silicon Dioxide (SiO2) with Fe3+ impurities

Amethyst

Silicon dioxide with iron impurities (SiO2 + Fe3+)

Amethyst

Silicon Dioxide with iron impurities (SiO2)

Botryoidal Chalcedony (Geode fragment)

Silicon Dioxide (SiO2)